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£59+ Cheap flights from San Francisco

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — LHR
24 Aug — 31 Aug1
1 adult

What to know about flights from San Francisco

Discover essential information about flights departing from San Francisco, including flight schedules, destinations, airlines operating at the San Francisco airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 August 2025.

Cheapest one-way flight

£26

Cheapest round-trip flight

£50

Cheapest airline

Frontier

Most popular destination

London Heathrow (LHR)

Good round-trip deal

£65 or less

Good one-way deal

£51 or less
The cheapest one-way flight from San Francisco is currently to Las Vegas Harry Reid Intl.
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The cheapest round-trip flight from San Francisco is currently to Las Vegas Harry Reid Intl.
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On average, Frontier currently has the cheapest one-way flight from San Francisco (avg. price of £58).
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London Heathrow (LHR) is currently the most popular flight destination from San Francisco (average return price of £300).
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Price to beat on a round-trip flight from San Francisco.
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Price to beat on a one-way flight from San Francisco.
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Find flights from San Francisco

Cheapest flights from San Francisco
Explore the most affordable flight options available from San Francisco. Find the lowest fares based on data from user searches, with prices last updated on 19 August 2025.

Wed 17/917:54SFO - BWI
1 stop14h 29mSun Country Air
Sun 21/917:39BWI - SFO
1 stop26h 39mSun Country Air
Deal found 18/8£225
Wed 17/917:54SFO - BWI
1 stop14h 29mSun Country Air
Mon 29/912:21BWI - SFO
1 stop7h 42mSun Country Air
Deal found 16/8£233
Tue 16/914:42SFO - BWI
1 stop11h 57mAlaska Airlines
Fri 26/919:37BWI - SFO
1 stop25h 32mAlaska Airlines
Deal found 16/8£238
Tue 7/1010:30SFO - BWI
2 stops11h 11mDelta
Wed 15/1014:10BWI - SFO
2 stops12h 23mDelta
Deal found 17/8£239
Wed 24/915:02SFO - BWI
1 stop17h 15mSun Country Air
Mon 6/1011:51BWI - SFO
1 stop8h 06mSun Country Air
Deal found 16/8£240
Tue 16/914:42SFO - BWI
1 stop11h 57mAlaska Airlines
Wed 24/919:37BWI - SFO
1 stop16h 35mAlaska Airlines
Deal found 16/8£245
Sat 27/911:48SFO - BWI
2 stops14h 51mAlaska Airlines
Tue 30/919:37BWI - SFO
2 stops20h 55mAlaska Airlines
Deal found 16/8£246
Wed 1/1013:03SFO - BWI
1 stop18h 41mSun Country Air
Mon 6/1011:51BWI - SFO
1 stop27h 11mSun Country Air
Deal found 18/8£248
Tue 9/921:05SFO - BWI
Nonstop5h 10mSouthwest
Tue 23/910:45BWI - SFO
Nonstop5h 40mSouthwest
Deal found 18/8£249
Tue 23/916:52SFO - BWI
1 stop9h 47mAlaska Airlines
Tue 7/1007:51BWI - SFO
1 stop8h 53mAlaska Airlines
Deal found 16/8£250
Tue 16/916:44SFO - BWI
2 stops14h 52mDelta
Wed 24/917:15BWI - SFO
1 stop7h 33mDelta
Deal found 16/8£251
Mon 12/116:35SFO - LGW
1 stop33h 15mTAP AIR PORTUGAL
Fri 30/116:40LGW - SFO
1 stop30h 05mTAP AIR PORTUGAL
Deal found 17/8£381

Find flights from San Francisco within your budget

 
Find flights departing from San Francisco that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 19 August 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Wed 8/10

13:03-10:38

1 stop18h 35m

Baltimore/Washington

Thu 16/10

12:27-22:51

1 stop13h 24m

£225

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Sun 5/10

23:59-10:50

1 stop7h 51m

Baltimore/Washington

Thu 16/10

12:27-22:51

1 stop13h 24m

£225

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Wed 17/9

17:54-11:23

1 stop14h 29m

Baltimore/Washington

Sun 21/9

17:39-17:18

1 stop26h 39m

£225

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Wed 24/9

15:02-11:17

1 stop17h 15m

Baltimore/Washington

Fri 3/10

12:21-17:03

1 stop7h 42m

£233

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Tue 16/9

06:00-05:39

1 stop20h 39m

Baltimore/Washington

Tue 30/9

19:37-10:32

1 stop17h 55m

£238

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Wed 8/10

10:30-00:41

2 stops11h 11m

Baltimore/Washington

Wed 15/10

14:10-23:33

2 stops12h 23m

£239

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Tue 30/9

16:44-08:57

2 stops13h 13m

Baltimore/Washington

Sat 4/10

14:10-23:29

2 stops12h 19m

£239

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Tue 23/9

16:44-08:57

2 stops13h 13m

Baltimore/Washington

Sat 4/10

14:10-23:29

2 stops12h 19m

£239

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Tue 7/10

10:30-00:41

2 stops11h 11m

Baltimore/Washington

Wed 15/10

14:10-23:33

2 stops12h 23m

£239

San FranciscoBaltimore

SFO - BWI

SFOBWI

San Francisco

Wed 24/9

15:02-11:17

1 stop17h 15m

Baltimore/Washington

Mon 6/10

11:51-16:57

1 stop8h 06m

£240

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco

Have a flexible travel schedule? Discover the best time to fly from San Francisco with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco

Get recent, data-driven insights about flights from San Francisco including ideal travel times, pricing trends, and more.

When is the best time to book a flight from San Francisco?

Use this chart to determine the optimal time to book a return flight from San Francisco to Heathrow. Price data was last updated on 8 August 2025.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco?

Currently, October is the cheapest month in which you can book a flight from San Francisco (average of £380). Flying from San Francisco in June will prove the most costly (average of £592). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from San Francisco?

Use this chart to determine the cheapest time to fly return from San Francisco to Heathrow. Price data was last updated on 17 August 2025.

Those who are seeking the cheapest fare on flights departing from San Francisco would be wise to consider leaving during Sunday at midday when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Monday mornings when fares are usually the most expensive.

Which airlines fly from San Francisco?

Many airlines operate round-trip flights from San Francisco: Virgin Atlantic, United Airlines, British Airways, Lufthansa, Iberia. These airlines fly to the following popular destinations: London.

United Airlines
United Airlines
From £120
Frontier
Frontier
From £20
Alaska Airlines
Alaska Airlines
From £54
Virgin Atlantic
Virgin Atlantic
From £416

What are popular destinations to fly to from San Francisco?

If you’re flying from San Francisco, these routes are more frequently taken by airlines New York (1,459 flights per day), Los Angeles (884 flights per day) and Chicago (774 flights per day).

London
London
From £361
Los Angeles
Los Angeles
From £44
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £35
Vancouver Intl
Vancouver Intl
From £40

What is the cheapest place to fly to from San Francisco?

The cheapest city to fly to from San Francisco is Las Vegas Harry Reid Intl, with prices starting at £26. Explore other affordable destinations below.

Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £35
Vancouver Intl
Vancouver Intl
From £40
Los Angeles
Los Angeles
From £44
San Diego
San Diego
From £52

Airline reviews for flights from San Francisco

Get insights into the airlines that provide service from San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from San Francisco. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Check out reviews from past customers who have flown United Airlines, Virgin Atlantic, andIberia from San Francisco to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,922 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,922 reviews
United Airlines
7.4
Good
8,922 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Virgin Atlantic
7.4
Good
657 reviews
United Airlines
7.4
Good
8,922 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
2,885 reviews
United Airlines
7.4
Good
8,922 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,334 reviews
United Airlines
7.4
Good
8,922 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,283 reviews
United Airlines
7.4
Good
8,922 reviews
Check prices

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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Related info for your journey

Access useful and relevant information related to your journey from San Francisco. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 19 August 2025.

  • What are the most popular destinations to fly to from San Francisco?

    This month, the top selected destinations from San Francisco are Boston, Bengaluru, Mumbai. Throughout the year, Mumbai, Bengaluru, Boston are some of the top choices made by users flying from San Francisco.

  • What is the cheapest flight from San Francisco to anywhere?

    Users have flown out of San Francisco for as low as £26 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for £407 to fly from San Francisco.

  • What are the cheapest airlines flying from San Francisco to anywhere?

    Over the past few days, we've found that Frontier, Hawaiian Airlines, and Alaska Airlines have the cheapest prices from San Francisco. Frontier flights from San Francisco to Atlanta Hartsfield-Jackson (£15), Hawaiian Airlines flights from San Francisco to Burbank Bob Hope (£36), and Alaska Airlines flights from San Francisco to Honolulu (£40).

  • What is the cheapest premium economy flight from San Francisco?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from San Francisco.
    San Francisco to Salt Lake City from £486
    San Francisco to Detroit Metropolitan Wayne County Airport from £626
    San Francisco to Orlando Airport from £662
    San Francisco to Honolulu from £1,070

  • What is the cheapest first class flight from San Francisco?

    If you’re looking for a cheap first-class flight from San Francisco, consider Palm Springs. Prices start at £285 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from San Francisco?

    At the present moment the cheapest month to fly from San Francisco is currently October; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from San Francisco?

    Check out the cheapest flights from San Francisco to embark to:
    Travel from San Francisco to London from £283 round trip
    Travel from San Francisco to Edinburgh from £407 round trip

  • How does Cheapflights help users find flights from San Francisco?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

  • Why should you use Cheapflights to find cheap flight tickets from San Francisco?

    Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from San Francisco with no change fees?

    Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

    Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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How does Cheapflights help users find flights from San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco?

Cheapflights helps you find that perfect flight from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco with no change fees?

Certainly. Search results for flights from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco become cheaper?

Yes! Start tracking prices for flights from San Francisco today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.

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